Home / 9,285.33-13,914.90-5,127.21

Finding the Fourth Proportional to 9,285.33, 13,914.90 and 5,127.21

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Solution

The fourth proportional to 9,285.33, 13,914.90 and 5,127.21 is: 7,683.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.33 : 13,914.90 = 5,127.21 : x
  2. Step 2: Convert to fraction form
    9,285.33/13,914.90 = 5,127.21/x
  3. Step 3: Cross multiply
    9,285.33x = 13,914.90 × 5,127.21
  4. Step 4: Simplify right side
    9,285.33x = 71,344,614.43
  5. Step 5: Solve for x
    x = 71,344,614.43/9,285.33
  6. Step 6: Final answer
    x = 7,683.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.